Emma Raducanu retired from her first-round match at the Wuhan Open against Ann Li as she appeared to struggle with the challenging conditions.
Raducanu was 6-1 4-1 down to Li when she decided to retire after a medical timeout, having looked almost dizzy at points in the second set.
Earlier on Tuesday, Naomi Osaka beat Leylah Fernandez 4-6 7-5 6-3 and Amanda Anisimova withdrew from the tournament due to a calf injury following her triumph at the China Open on Sunday.
More to follow..
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